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| 1 | +# Attributes |
| 2 | + |
| 3 | +Attributes are in the sequence of meta-data followed by modifiers. A parser shall disambiguate expressions into attributes as applicable. |
| 4 | + |
| 5 | +**Syntax** |
| 6 | + |
| 7 | +<ul> |
| 8 | + <i>Attributes</i> : |
| 9 | + <ul> |
| 10 | + <i>Attribute</i> <i>AttributeLineBreakRestriction</i><br> |
| 11 | + <i>AttributeCombination</i> <i>AttributeLineBreakRestriction</i> |
| 12 | + </ul> |
| 13 | +</ul> |
| 14 | + |
| 15 | +<ul> |
| 16 | + <i>AttributeCombination</i> : |
| 17 | + <ul> |
| 18 | + <i>Attribute</i> <i>AttributeLineBreakRestriction</i> <i>Attributes</i> |
| 19 | + </ul> |
| 20 | +</ul> |
| 21 | + |
| 22 | +<ul> |
| 23 | + <i>BlockAttributes</i> : |
| 24 | + <ul> |
| 25 | + <i>Metadata</i><br> |
| 26 | + <i>BlockAttributes</i> <i>Metadata</i> |
| 27 | + </ul> |
| 28 | +</ul> |
| 29 | + |
| 30 | +<ul> |
| 31 | + <i>AttributeLineBreakRestriction</i> : |
| 32 | + <ul> |
| 33 | + no line break if the previous and offending tokens match an <i>IdentifierName</i> |
| 34 | + </ul> |
| 35 | +</ul> |
| 36 | + |
| 37 | +<ul> |
| 38 | + <i>Attribute</i> : |
| 39 | + <ul> |
| 40 | + <i>Metadata</i><br> |
| 41 | + <i>UserAttribute</i><br> |
| 42 | + <i>ReservedNamespace</i><br> |
| 43 | + <b>final</b><br> |
| 44 | + <b>native</b><br> |
| 45 | + <b>static</b><br> |
| 46 | + <b>abstract</b><br> |
| 47 | + <b>override</b> |
| 48 | + </ul> |
| 49 | +</ul> |
| 50 | + |
| 51 | +<ul> |
| 52 | + <i>UserAttribute</i> : |
| 53 | + <ul> |
| 54 | + <i>Identifier</i><br> |
| 55 | + <i>UserAttribute</i> <b>.</b> <i>IdentifierName</i> |
| 56 | + </ul> |
| 57 | +</ul> |
| 58 | + |
| 59 | +<ul> |
| 60 | + <i>Metadata</i> : |
| 61 | + <ul> |
| 62 | + <i>MetadataPreRestriction</i> <b>[</b> <i>MetadataForm</i> <b>]</b>]<br> |
| 63 | + <i>MetadataPreRestriction</i> <b>[</b> <i>MetadataForm</i> <i>MetadataTrailingComma</i> <b>]</b> |
| 64 | + </ul> |
| 65 | +</ul> |
| 66 | + |
| 67 | +<ul> |
| 68 | + <i>MetadataPreRestriction</i> : |
| 69 | + <ul> |
| 70 | + if the <i>Metadata</i> is in the beginning of <i>Attributes</i> or if the <i>Metadata</i> appears before an <i>IdentifierName</i> in <i>Attributes</i> |
| 71 | + </ul> |
| 72 | +</ul> |
| 73 | + |
| 74 | +<ul> |
| 75 | + <i>MetadataTrailingComma</i> : |
| 76 | + <ul> |
| 77 | + comma <b>,</b> if the <i>Metadata</i> is the first occurrence in <i>Attributes</i> or <i>BlockAttributes</i> |
| 78 | + </ul> |
| 79 | +</ul> |
| 80 | + |
| 81 | +<ul> |
| 82 | + <i>MetadataForm</i> : |
| 83 | + <ul> |
| 84 | + <i>MetadataName</i><br> |
| 85 | + <i>MetadataName</i> <b>()</b><br> |
| 86 | + <i>MetadataName</i> <b>(</b> <i>MetadataEntryList</i> <b>)</b> |
| 87 | + </ul> |
| 88 | +</ul> |
| 89 | + |
| 90 | +<ul> |
| 91 | + <i>MetadataName</i> : |
| 92 | + <ul> |
| 93 | + <i>Identifier</i><br> |
| 94 | + <i>Identifier</i> <b>::</b> <i>IdentifierName</i> |
| 95 | + </ul> |
| 96 | +</ul> |
| 97 | + |
| 98 | +<ul> |
| 99 | + <i>MetadataEntryList</i> : |
| 100 | + <ul> |
| 101 | + <i>MetadataEntry</i><br> |
| 102 | + <i>MetadataEntryList</i> <b>,</b> <i>MetadataEntry</i> |
| 103 | + </ul> |
| 104 | +</ul> |
| 105 | + |
| 106 | +<ul> |
| 107 | + <i>MetadataEntry</i> : |
| 108 | + <ul> |
| 109 | + <i>MetadataName</i><br> |
| 110 | + <i>StringLiteral</i><br> |
| 111 | + <i>MetadataName</i> <b>=</b> <i>StringLiteral</i> |
| 112 | + </ul> |
| 113 | +</ul> |
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